Peng-Jui Tseng

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Social networks model the social activities between individuals, which change as time goes by. In light of useful information from such dynamic networks, there is a continuous demand for privacy-preserving data sharing with analyzers, collaborators or customers. In this paper, we address the privacy risks of identity disclosures in sequential releases of a(More)
Privacy in social network data publishing is always an important concern. Nowadays most prior privacy protection techniques focus on static social networks. However, there are additional privacy disclosures in dynamic social networks due to the sequential publications. In this paper, we first show that the risks of vertex and community re-identification(More)
In Intelligent Transportation System, GPS has become a major source of floating car data. GPS measurement from vehicles can be collected and be further analyzed for real-time urban traffic sensing or monitoring. However, the main challenge coming to the real-time traffic estimation system is how to scale up the system easily when the number of GPS vehicle(More)
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